blob: 314ce9da2fdb765d49fee9bd61f57814236b14a3 [file] [log] [blame]
// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/animation/keyframed_animation_curve.h"
#include "cc/animation/transform_operations.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/animation/tween.h"
#include "ui/gfx/geometry/box_f.h"
#include "ui/gfx/test/gfx_util.h"
namespace cc {
namespace {
void ExpectTranslateX(SkMScalar translate_x, const gfx::Transform& transform) {
EXPECT_FLOAT_EQ(translate_x, transform.matrix().get(0, 3));
}
void ExpectBrightness(double brightness, const FilterOperations& filter) {
EXPECT_EQ(1u, filter.size());
EXPECT_EQ(FilterOperation::BRIGHTNESS, filter.at(0).type());
EXPECT_FLOAT_EQ(brightness, filter.at(0).amount());
}
// Tests that a color animation with one keyframe works as expected.
TEST(KeyframedAnimationCurveTest, OneColorKeyFrame) {
SkColor color = SkColorSetARGB(255, 255, 255, 255);
scoped_ptr<KeyframedColorAnimationCurve> curve(
KeyframedColorAnimationCurve::Create());
curve->AddKeyframe(ColorKeyframe::Create(base::TimeDelta(), color, nullptr));
EXPECT_SKCOLOR_EQ(color,
curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
EXPECT_SKCOLOR_EQ(color, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
EXPECT_SKCOLOR_EQ(color,
curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
EXPECT_SKCOLOR_EQ(color, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
EXPECT_SKCOLOR_EQ(color, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
}
// Tests that a color animation with two keyframes works as expected.
TEST(KeyframedAnimationCurveTest, TwoColorKeyFrame) {
SkColor color_a = SkColorSetARGB(255, 255, 0, 0);
SkColor color_b = SkColorSetARGB(255, 0, 255, 0);
SkColor color_midpoint = gfx::Tween::ColorValueBetween(0.5, color_a, color_b);
scoped_ptr<KeyframedColorAnimationCurve> curve(
KeyframedColorAnimationCurve::Create());
curve->AddKeyframe(
ColorKeyframe::Create(base::TimeDelta(), color_a, nullptr));
curve->AddKeyframe(ColorKeyframe::Create(base::TimeDelta::FromSecondsD(1.0),
color_b, nullptr));
EXPECT_SKCOLOR_EQ(color_a,
curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
EXPECT_SKCOLOR_EQ(color_a,
curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
EXPECT_SKCOLOR_EQ(color_midpoint,
curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
EXPECT_SKCOLOR_EQ(color_b,
curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
EXPECT_SKCOLOR_EQ(color_b,
curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
}
// Tests that a color animation with three keyframes works as expected.
TEST(KeyframedAnimationCurveTest, ThreeColorKeyFrame) {
SkColor color_a = SkColorSetARGB(255, 255, 0, 0);
SkColor color_b = SkColorSetARGB(255, 0, 255, 0);
SkColor color_c = SkColorSetARGB(255, 0, 0, 255);
SkColor color_midpoint1 =
gfx::Tween::ColorValueBetween(0.5, color_a, color_b);
SkColor color_midpoint2 =
gfx::Tween::ColorValueBetween(0.5, color_b, color_c);
scoped_ptr<KeyframedColorAnimationCurve> curve(
KeyframedColorAnimationCurve::Create());
curve->AddKeyframe(
ColorKeyframe::Create(base::TimeDelta(), color_a, nullptr));
curve->AddKeyframe(ColorKeyframe::Create(base::TimeDelta::FromSecondsD(1.0),
color_b, nullptr));
curve->AddKeyframe(ColorKeyframe::Create(base::TimeDelta::FromSecondsD(2.0),
color_c, nullptr));
EXPECT_SKCOLOR_EQ(color_a,
curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
EXPECT_SKCOLOR_EQ(color_a,
curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
EXPECT_SKCOLOR_EQ(color_midpoint1,
curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
EXPECT_SKCOLOR_EQ(color_b,
curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
EXPECT_SKCOLOR_EQ(color_midpoint2,
curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
EXPECT_SKCOLOR_EQ(color_c,
curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
EXPECT_SKCOLOR_EQ(color_c,
curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
}
// Tests that a colro animation with multiple keys at a given time works sanely.
TEST(KeyframedAnimationCurveTest, RepeatedColorKeyFrame) {
SkColor color_a = SkColorSetARGB(255, 64, 0, 0);
SkColor color_b = SkColorSetARGB(255, 192, 0, 0);
scoped_ptr<KeyframedColorAnimationCurve> curve(
KeyframedColorAnimationCurve::Create());
curve->AddKeyframe(
ColorKeyframe::Create(base::TimeDelta(), color_a, nullptr));
curve->AddKeyframe(ColorKeyframe::Create(base::TimeDelta::FromSecondsD(1.0),
color_a, nullptr));
curve->AddKeyframe(ColorKeyframe::Create(base::TimeDelta::FromSecondsD(1.0),
color_b, nullptr));
curve->AddKeyframe(ColorKeyframe::Create(base::TimeDelta::FromSecondsD(2.0),
color_b, nullptr));
EXPECT_SKCOLOR_EQ(color_a,
curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
EXPECT_SKCOLOR_EQ(color_a,
curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
EXPECT_SKCOLOR_EQ(color_a,
curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
SkColor value = curve->GetValue(base::TimeDelta::FromSecondsD(1.0f));
EXPECT_EQ(255u, SkColorGetA(value));
int red_value = SkColorGetR(value);
EXPECT_LE(64, red_value);
EXPECT_GE(192, red_value);
EXPECT_SKCOLOR_EQ(color_b,
curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
EXPECT_SKCOLOR_EQ(color_b,
curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
EXPECT_SKCOLOR_EQ(color_b,
curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
}
// Tests that a float animation with one keyframe works as expected.
TEST(KeyframedAnimationCurveTest, OneFloatKeyframe) {
scoped_ptr<KeyframedFloatAnimationCurve> curve(
KeyframedFloatAnimationCurve::Create());
curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 2.f, nullptr));
EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
}
// Tests that a float animation with two keyframes works as expected.
TEST(KeyframedAnimationCurveTest, TwoFloatKeyframe) {
scoped_ptr<KeyframedFloatAnimationCurve> curve(
KeyframedFloatAnimationCurve::Create());
curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 2.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 4.f, nullptr));
EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
EXPECT_FLOAT_EQ(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
EXPECT_FLOAT_EQ(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
EXPECT_FLOAT_EQ(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
}
// Tests that a float animation with three keyframes works as expected.
TEST(KeyframedAnimationCurveTest, ThreeFloatKeyframe) {
scoped_ptr<KeyframedFloatAnimationCurve> curve(
KeyframedFloatAnimationCurve::Create());
curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 2.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 4.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(2.0), 8.f, nullptr));
EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
EXPECT_FLOAT_EQ(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
EXPECT_FLOAT_EQ(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
EXPECT_FLOAT_EQ(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
EXPECT_FLOAT_EQ(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
EXPECT_FLOAT_EQ(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
}
// Tests that a float animation with multiple keys at a given time works sanely.
TEST(KeyframedAnimationCurveTest, RepeatedFloatKeyTimes) {
scoped_ptr<KeyframedFloatAnimationCurve> curve(
KeyframedFloatAnimationCurve::Create());
curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 4.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 4.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 6.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(2.0), 6.f, nullptr));
EXPECT_FLOAT_EQ(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
EXPECT_FLOAT_EQ(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
EXPECT_FLOAT_EQ(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
// There is a discontinuity at 1. Any value between 4 and 6 is valid.
float value = curve->GetValue(base::TimeDelta::FromSecondsD(1.f));
EXPECT_TRUE(value >= 4 && value <= 6);
EXPECT_FLOAT_EQ(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
EXPECT_FLOAT_EQ(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
EXPECT_FLOAT_EQ(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
}
// Tests that a transform animation with one keyframe works as expected.
TEST(KeyframedAnimationCurveTest, OneTransformKeyframe) {
scoped_ptr<KeyframedTransformAnimationCurve> curve(
KeyframedTransformAnimationCurve::Create());
TransformOperations operations;
operations.AppendTranslate(2.f, 0.f, 0.f);
curve->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta(), operations, nullptr));
ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
}
// Tests that a transform animation with two keyframes works as expected.
TEST(KeyframedAnimationCurveTest, TwoTransformKeyframe) {
scoped_ptr<KeyframedTransformAnimationCurve> curve(
KeyframedTransformAnimationCurve::Create());
TransformOperations operations1;
operations1.AppendTranslate(2.f, 0.f, 0.f);
TransformOperations operations2;
operations2.AppendTranslate(4.f, 0.f, 0.f);
curve->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(1.0), operations2, nullptr));
ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
ExpectTranslateX(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
ExpectTranslateX(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
ExpectTranslateX(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
}
// Tests that a transform animation with three keyframes works as expected.
TEST(KeyframedAnimationCurveTest, ThreeTransformKeyframe) {
scoped_ptr<KeyframedTransformAnimationCurve> curve(
KeyframedTransformAnimationCurve::Create());
TransformOperations operations1;
operations1.AppendTranslate(2.f, 0.f, 0.f);
TransformOperations operations2;
operations2.AppendTranslate(4.f, 0.f, 0.f);
TransformOperations operations3;
operations3.AppendTranslate(8.f, 0.f, 0.f);
curve->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(1.0), operations2, nullptr));
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(2.0), operations3, nullptr));
ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
ExpectTranslateX(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
ExpectTranslateX(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
ExpectTranslateX(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
ExpectTranslateX(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
ExpectTranslateX(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
}
// Tests that a transform animation with multiple keys at a given time works
// sanely.
TEST(KeyframedAnimationCurveTest, RepeatedTransformKeyTimes) {
scoped_ptr<KeyframedTransformAnimationCurve> curve(
KeyframedTransformAnimationCurve::Create());
// A step function.
TransformOperations operations1;
operations1.AppendTranslate(4.f, 0.f, 0.f);
TransformOperations operations2;
operations2.AppendTranslate(4.f, 0.f, 0.f);
TransformOperations operations3;
operations3.AppendTranslate(6.f, 0.f, 0.f);
TransformOperations operations4;
operations4.AppendTranslate(6.f, 0.f, 0.f);
curve->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(1.0), operations2, nullptr));
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(1.0), operations3, nullptr));
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(2.0), operations4, nullptr));
ExpectTranslateX(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
ExpectTranslateX(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
ExpectTranslateX(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
// There is a discontinuity at 1. Any value between 4 and 6 is valid.
gfx::Transform value = curve->GetValue(base::TimeDelta::FromSecondsD(1.f));
EXPECT_GE(value.matrix().get(0, 3), 4.f);
EXPECT_LE(value.matrix().get(0, 3), 6.f);
ExpectTranslateX(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
ExpectTranslateX(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
ExpectTranslateX(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
}
// Tests that a filter animation with one keyframe works as expected.
TEST(KeyframedAnimationCurveTest, OneFilterKeyframe) {
scoped_ptr<KeyframedFilterAnimationCurve> curve(
KeyframedFilterAnimationCurve::Create());
FilterOperations operations;
operations.Append(FilterOperation::CreateBrightnessFilter(2.f));
curve->AddKeyframe(
FilterKeyframe::Create(base::TimeDelta(), operations, nullptr));
ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
}
// Tests that a filter animation with two keyframes works as expected.
TEST(KeyframedAnimationCurveTest, TwoFilterKeyframe) {
scoped_ptr<KeyframedFilterAnimationCurve> curve(
KeyframedFilterAnimationCurve::Create());
FilterOperations operations1;
operations1.Append(FilterOperation::CreateBrightnessFilter(2.f));
FilterOperations operations2;
operations2.Append(FilterOperation::CreateBrightnessFilter(4.f));
curve->AddKeyframe(
FilterKeyframe::Create(base::TimeDelta(), operations1, nullptr));
curve->AddKeyframe(FilterKeyframe::Create(base::TimeDelta::FromSecondsD(1.f),
operations2, nullptr));
ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
ExpectBrightness(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
ExpectBrightness(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
ExpectBrightness(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
}
// Tests that a filter animation with three keyframes works as expected.
TEST(KeyframedAnimationCurveTest, ThreeFilterKeyframe) {
scoped_ptr<KeyframedFilterAnimationCurve> curve(
KeyframedFilterAnimationCurve::Create());
FilterOperations operations1;
operations1.Append(FilterOperation::CreateBrightnessFilter(2.f));
FilterOperations operations2;
operations2.Append(FilterOperation::CreateBrightnessFilter(4.f));
FilterOperations operations3;
operations3.Append(FilterOperation::CreateBrightnessFilter(8.f));
curve->AddKeyframe(
FilterKeyframe::Create(base::TimeDelta(), operations1, nullptr));
curve->AddKeyframe(FilterKeyframe::Create(base::TimeDelta::FromSecondsD(1.f),
operations2, nullptr));
curve->AddKeyframe(FilterKeyframe::Create(base::TimeDelta::FromSecondsD(2.f),
operations3, nullptr));
ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
ExpectBrightness(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
ExpectBrightness(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
ExpectBrightness(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
ExpectBrightness(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
ExpectBrightness(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
}
// Tests that a filter animation with multiple keys at a given time works
// sanely.
TEST(KeyframedAnimationCurveTest, RepeatedFilterKeyTimes) {
scoped_ptr<KeyframedFilterAnimationCurve> curve(
KeyframedFilterAnimationCurve::Create());
// A step function.
FilterOperations operations1;
operations1.Append(FilterOperation::CreateBrightnessFilter(4.f));
FilterOperations operations2;
operations2.Append(FilterOperation::CreateBrightnessFilter(4.f));
FilterOperations operations3;
operations3.Append(FilterOperation::CreateBrightnessFilter(6.f));
FilterOperations operations4;
operations4.Append(FilterOperation::CreateBrightnessFilter(6.f));
curve->AddKeyframe(
FilterKeyframe::Create(base::TimeDelta(), operations1, nullptr));
curve->AddKeyframe(FilterKeyframe::Create(base::TimeDelta::FromSecondsD(1.f),
operations2, nullptr));
curve->AddKeyframe(FilterKeyframe::Create(base::TimeDelta::FromSecondsD(1.f),
operations3, nullptr));
curve->AddKeyframe(FilterKeyframe::Create(base::TimeDelta::FromSecondsD(2.f),
operations4, nullptr));
ExpectBrightness(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
ExpectBrightness(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
ExpectBrightness(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
// There is a discontinuity at 1. Any value between 4 and 6 is valid.
FilterOperations value = curve->GetValue(base::TimeDelta::FromSecondsD(1.f));
EXPECT_EQ(1u, value.size());
EXPECT_EQ(FilterOperation::BRIGHTNESS, value.at(0).type());
EXPECT_GE(value.at(0).amount(), 4);
EXPECT_LE(value.at(0).amount(), 6);
ExpectBrightness(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
ExpectBrightness(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
ExpectBrightness(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
}
// Tests that the keyframes may be added out of order.
TEST(KeyframedAnimationCurveTest, UnsortedKeyframes) {
scoped_ptr<KeyframedFloatAnimationCurve> curve(
KeyframedFloatAnimationCurve::Create());
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(2.f), 8.f, nullptr));
curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 2.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), 4.f, nullptr));
EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
EXPECT_FLOAT_EQ(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
EXPECT_FLOAT_EQ(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
EXPECT_FLOAT_EQ(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
EXPECT_FLOAT_EQ(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
EXPECT_FLOAT_EQ(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
}
// Tests that a cubic bezier timing function works as expected.
TEST(KeyframedAnimationCurveTest, CubicBezierTimingFunction) {
scoped_ptr<KeyframedFloatAnimationCurve> curve(
KeyframedFloatAnimationCurve::Create());
curve->AddKeyframe(FloatKeyframe::Create(
base::TimeDelta(), 0.f,
CubicBezierTimingFunction::Create(0.25f, 0.f, 0.75f, 1.f)));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 1.f, nullptr));
EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
EXPECT_LT(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.25f)));
EXPECT_GT(0.25f, curve->GetValue(base::TimeDelta::FromSecondsD(0.25f)));
EXPECT_NEAR(curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)), 0.5f,
0.00015f);
EXPECT_LT(0.75f, curve->GetValue(base::TimeDelta::FromSecondsD(0.75f)));
EXPECT_GT(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.75f)));
EXPECT_FLOAT_EQ(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
}
// Tests that animated bounds are computed as expected.
TEST(KeyframedAnimationCurveTest, AnimatedBounds) {
scoped_ptr<KeyframedTransformAnimationCurve> curve(
KeyframedTransformAnimationCurve::Create());
TransformOperations operations1;
curve->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
operations1.AppendTranslate(2.0, 3.0, -1.0);
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(0.5f), operations1, nullptr));
TransformOperations operations2;
operations2.AppendTranslate(4.0, 1.0, 2.0);
curve->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), operations2,
EaseTimingFunction::Create()));
gfx::BoxF box(2.f, 3.f, 4.f, 1.f, 3.f, 2.f);
gfx::BoxF bounds;
EXPECT_TRUE(curve->AnimatedBoundsForBox(box, &bounds));
EXPECT_EQ(gfx::BoxF(2.f, 3.f, 3.f, 5.f, 6.f, 5.f).ToString(),
bounds.ToString());
}
// Tests that animations that affect scale are correctly identified.
TEST(KeyframedAnimationCurveTest, AffectsScale) {
scoped_ptr<KeyframedTransformAnimationCurve> curve(
KeyframedTransformAnimationCurve::Create());
TransformOperations operations1;
curve->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
operations1.AppendTranslate(2.0, 3.0, -1.0);
TransformOperations operations2;
operations2.AppendTranslate(4.0, 1.0, 2.0);
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(1.f), operations2, nullptr));
EXPECT_FALSE(curve->AffectsScale());
TransformOperations operations3;
operations3.AppendScale(2.f, 2.f, 2.f);
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(2.f), operations3, nullptr));
EXPECT_TRUE(curve->AffectsScale());
TransformOperations operations4;
operations3.AppendTranslate(2.f, 2.f, 2.f);
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(3.f), operations4, nullptr));
EXPECT_TRUE(curve->AffectsScale());
}
// Tests that animations that are translations are correctly identified.
TEST(KeyframedAnimationCurveTest, IsTranslation) {
scoped_ptr<KeyframedTransformAnimationCurve> curve(
KeyframedTransformAnimationCurve::Create());
TransformOperations operations1;
curve->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
operations1.AppendTranslate(2.0, 3.0, -1.0);
TransformOperations operations2;
operations2.AppendTranslate(4.0, 1.0, 2.0);
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(1.f), operations2, nullptr));
EXPECT_TRUE(curve->IsTranslation());
TransformOperations operations3;
operations3.AppendScale(2.f, 2.f, 2.f);
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(2.f), operations3, nullptr));
EXPECT_FALSE(curve->IsTranslation());
TransformOperations operations4;
operations3.AppendTranslate(2.f, 2.f, 2.f);
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(3.f), operations4, nullptr));
EXPECT_FALSE(curve->IsTranslation());
}
// Tests that maximum target scale is computed as expected.
TEST(KeyframedAnimationCurveTest, MaximumTargetScale) {
scoped_ptr<KeyframedTransformAnimationCurve> curve(
KeyframedTransformAnimationCurve::Create());
TransformOperations operations1;
curve->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
operations1.AppendScale(2.f, -3.f, 1.f);
curve->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), operations1,
EaseTimingFunction::Create()));
float maximum_scale = 0.f;
EXPECT_TRUE(curve->MaximumTargetScale(true, &maximum_scale));
EXPECT_EQ(3.f, maximum_scale);
TransformOperations operations2;
operations2.AppendScale(6.f, 3.f, 2.f);
curve->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta::FromSecondsD(2.f), operations2,
EaseTimingFunction::Create()));
EXPECT_TRUE(curve->MaximumTargetScale(true, &maximum_scale));
EXPECT_EQ(6.f, maximum_scale);
TransformOperations operations3;
operations3.AppendRotate(1.f, 0.f, 0.f, 90.f);
curve->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta::FromSecondsD(3.f), operations3,
EaseTimingFunction::Create()));
EXPECT_FALSE(curve->MaximumTargetScale(true, &maximum_scale));
// The original scale is not used in computing the max.
scoped_ptr<KeyframedTransformAnimationCurve> curve2(
KeyframedTransformAnimationCurve::Create());
TransformOperations operations4;
operations4.AppendScale(0.4f, 0.2f, 0.6f);
curve2->AddKeyframe(TransformKeyframe::Create(base::TimeDelta(), operations4,
EaseTimingFunction::Create()));
TransformOperations operations5;
operations5.AppendScale(0.5f, 0.3f, -0.8f);
curve2->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), operations5,
EaseTimingFunction::Create()));
EXPECT_TRUE(curve2->MaximumTargetScale(true, &maximum_scale));
EXPECT_EQ(0.8f, maximum_scale);
EXPECT_TRUE(curve2->MaximumTargetScale(false, &maximum_scale));
EXPECT_EQ(0.6f, maximum_scale);
}
// Tests that an animation with a curve timing function works as expected.
TEST(KeyframedAnimationCurveTest, CurveTiming) {
scoped_ptr<KeyframedFloatAnimationCurve> curve(
KeyframedFloatAnimationCurve::Create());
curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 0.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), 1.f, nullptr));
curve->SetTimingFunction(
CubicBezierTimingFunction::Create(0.75f, 0.f, 0.25f, 1.f).Pass());
EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
EXPECT_NEAR(0.05f, curve->GetValue(base::TimeDelta::FromSecondsD(0.25f)),
0.005f);
EXPECT_FLOAT_EQ(0.5f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
EXPECT_NEAR(0.95f, curve->GetValue(base::TimeDelta::FromSecondsD(0.75f)),
0.005f);
EXPECT_FLOAT_EQ(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
EXPECT_FLOAT_EQ(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
}
// Tests that an animation with a curve and keyframe timing function works as
// expected.
TEST(KeyframedAnimationCurveTest, CurveAndKeyframeTiming) {
scoped_ptr<KeyframedFloatAnimationCurve> curve(
KeyframedFloatAnimationCurve::Create());
curve->AddKeyframe(FloatKeyframe::Create(
base::TimeDelta(), 0.f,
CubicBezierTimingFunction::Create(0.35f, 0.f, 0.65f, 1.f).Pass()));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), 1.f, nullptr));
// Curve timing function producing outputs outside of range [0,1].
curve->SetTimingFunction(
CubicBezierTimingFunction::Create(0.5f, -0.5f, 0.5f, 1.5f).Pass());
EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(
0.25f))); // Clamped. c(.25) < 0
EXPECT_NEAR(0.17f, curve->GetValue(base::TimeDelta::FromSecondsD(0.42f)),
0.005f); // c(.42)=.27, k(.27)=.17
EXPECT_FLOAT_EQ(0.5f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
EXPECT_NEAR(0.83f, curve->GetValue(base::TimeDelta::FromSecondsD(0.58f)),
0.005f); // c(.58)=.73, k(.73)=.83
EXPECT_FLOAT_EQ(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(
0.75f))); // Clamped. c(.75) > 1
EXPECT_FLOAT_EQ(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
EXPECT_FLOAT_EQ(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
}
// Tests that an animation with a curve timing function and multiple keyframes
// works as expected.
TEST(KeyframedAnimationCurveTest, CurveTimingMultipleKeyframes) {
scoped_ptr<KeyframedFloatAnimationCurve> curve(
KeyframedFloatAnimationCurve::Create());
curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 0.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), 1.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(2.f), 3.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(3.f), 6.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(4.f), 9.f, nullptr));
curve->SetTimingFunction(
CubicBezierTimingFunction::Create(0.5f, 0.f, 0.5f, 1.f).Pass());
EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
EXPECT_NEAR(0.42f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)),
0.005f);
EXPECT_NEAR(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.455f)),
0.005f);
EXPECT_FLOAT_EQ(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
EXPECT_NEAR(8.72f, curve->GetValue(base::TimeDelta::FromSecondsD(3.5f)),
0.01f);
EXPECT_FLOAT_EQ(9.f, curve->GetValue(base::TimeDelta::FromSecondsD(4.f)));
EXPECT_FLOAT_EQ(9.f, curve->GetValue(base::TimeDelta::FromSecondsD(5.f)));
}
// Tests that an animation with a curve timing function that overshoots works as
// expected.
TEST(KeyframedAnimationCurveTest, CurveTimingOvershootMultipeKeyframes) {
scoped_ptr<KeyframedFloatAnimationCurve> curve(
KeyframedFloatAnimationCurve::Create());
curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 0.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 1.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(2.0), 3.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(3.0), 6.f, nullptr));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(4.0), 9.f, nullptr));
// Curve timing function producing outputs outside of range [0,1].
curve->SetTimingFunction(
CubicBezierTimingFunction::Create(0.5f, -0.5f, 0.5f, 1.5f).Pass());
EXPECT_LE(curve->GetValue(base::TimeDelta::FromSecondsD(1.f)),
0.f); // c(.25) < 0
EXPECT_GE(curve->GetValue(base::TimeDelta::FromSecondsD(3.f)),
9.f); // c(.75) > 1
}
} // namespace
} // namespace cc